某银多金属矿的选矿试验研究  

Research on the Experiments of Some Ag Polymetallic Ore

作　　者：余新阳[1,2] 魏新安[2] 曾安[2] 肖云[1] 吴敏[1] 李立清[2] 

机构地区：[1]西部矿业股份有限公司青海省高原矿物加工工程与综合利用重点实验室,青海西宁810001 [2]江西理工大学江西省矿业工程重点实验室,江西赣州341000

出　　处：《黄金科学技术》2015年第4期39-45,共7页Gold Science and Technology

基　　金：国家自然科学基金项目"新型有机硅阳离子捕收剂对铝硅酸盐矿物的浮选特性研究"(编号:51304085);"烷基水杨醛肟类铜萃取剂结构与萃取性能的构效关系研究"(编号:21406097);江西省教育厅项目"铝硅酸盐矿物有机硅捕收剂的合成及应用基础研究"(编号:GJJ12363)联合资助

摘　　要：针对某银多金属矿矿物组成种类繁多、矿石性质复杂、铜铅分离不彻底及贵金属银回收率低等问题,分析了原矿矿物组成和矿石性质,并进行了详细的选矿试验研究。在给矿品位为铜0.68%、铅1.22%、锌1.47%及银74 g/t的条件下,小型闭路试验获得选矿指标如下:铜精矿中铜品位为27.22%、铜回收率为85.29%;铅精矿中铅品位为56.37%、铅回收率为85.02%;铜精矿和铅精矿中银累计回收率为86.73%;锌精矿中锌品位为53.22%、锌回收率为77.48%。与矿山实际生产对比,该工艺技术不仅药剂制度简单,流程简洁,且大大提高了银、铜和铅的选别指标。It is difficult to flotation separation of some Ag polymetallic ore because there are many different kinds of metallic sulfide minerals and the ore properties is very complex.In order to solve these problems,the identification of technological mineralogy and mineral processing experiments were conducted in the paper.By closed circuit tests,the copper concentrate which with the Cu grade of 27.22% and recovery rate of 85.29% could be obtained,as well as the lead concentrate which with the Pb grade of 56.37% and recovery of was 85.02%.The total Ag recovery rate of them was 86.73%.The zinc concentrate which with the Zn grade of 53.22% and recovery rate of 77.48% was also gotten.Compared with the mineral processing practice,the technology in the paper is not only with concise flowsheet and simple reagent system,but also bringing better concentrate grade and recovery rate of Cu,Pb,Ag.

关 键 词：银多金属矿 选矿 综合利用 闭路试验 

分 类 号：TD95[矿业工程—选矿]